###############################################################################
# Copyright (c) 2019 Linaro
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Eclipse Public License v1.0
# which accompanies this distribution, and is available at
# http://www.eclipse.org/legal/epl-v10.html
###############################################################################

export PATH=$PATH:~/bin/
set -o errtrace

git config --global user.email "android-build-bot@fake-email.com"
git config --global user.name "android-build-bot"

source "${BUILD_SCRIPT_ROOT}"/helpers

trap infrastructure_error ERR

if [ -z "${TARGET_OUT_DIR}" ]; then
    # only set TARGET_OUT_DIR when it is not set
    # Set TARGET_OUT_DIR since few TARGET_PRODUCT include "full_" keyword as well
    export TARGET_OUT_DIR=`echo $TARGET_PRODUCT | sed 's/_/\n/;s/.*\n//'`
fi

calc_make_jobs

java -version

# Download overlays ASAP for fail-fast approach
if [ -n "$SOURCE_OVERLAY" ]; then
    download_overlays "$SOURCE_OVERLAY"
    unpack_overlays "$SOURCE_OVERLAY"
fi

# Remove any old local manifest and manifest which can break repo init if
# duplicate repository are found or forceful manifest update
rm -rf .repo/local_manifests .repo/manifest*

if [ -n "$REPO_SEED_URL" ]; then
    repo-sync-from-seed "${1}"
else
    repo-sync-from-mirror "${1}"
fi

if [ -n "$GERRIT_PROJECT" ] && [ $GERRIT_PROJECT != "android-build-configs" ] && [ $GERRIT_EVENT_TYPE == "comment-added" ]; then
    if [ ${GERRIT_HOST} == "dev-private-review.linaro.org" ]; then
        GERRIT_URL="ssh://git@${GERRIT_HOST}/${GERRIT_PROJECT}"
    else
        GERRIT_URL="http://${GERRIT_HOST}/${GERRIT_PROJECT}"
    fi
    if [ "$GERRIT_PROJECT" == "platform/manifest" ] || [ "$GERRIT_PROJECT" == "linaro-art/platform/manifest" ]; then
        cd .repo/local_manifests;
        git pull ${GERRIT_URL} $GERRIT_REFSPEC
        cd -
        repo sync -j16
    else
        cd `grep -rni $GERRIT_PROJECT\" .repo/local_manifests | grep -Po 'path="\K[^"]*'`
        if git pull ${GERRIT_URL} ${GERRIT_REFSPEC} | grep -q "Automatic merge failed"; then
            git reset --hard
            echo "Error: *** Error patch merge failed"
            exit 1
        fi
        cd -
    fi
fi

if [ -n "$PATCHSETS" ]; then
    for i in $PATCHSETS; do
        sh ./android-patchsets/$i
    done
fi

# Generate a Changelog describing additional patches applied to AOSP codebase
export android_version=`grep -rni "refs/tags" .repo/manifest.xml  | sed -e "s/.*tags\///" -e "s/\"//g"`
repo forall -c 'if git rev-parse $android_version >/dev/null 2>&1
    then
    patches=`git log --oneline --no-merges $android_version..HEAD | wc -l`
    if [ $patches -ne 0 ]; then
         git_remote=`git remote -v | grep "fetch" | cut -f2 | cut -d " " -f1`
         echo "====================================================================="
         echo "Patchsets applied to $git_remote on top of $android_version"
         git diff --stat $android_version HEAD
         git log --oneline --no-merges $android_version..HEAD
         echo ""
   fi;
fi' | cat > temp_changelog.txt
files_changed=`add_changes \`grep -e "file changed" -e "files changed" temp_changelog.txt | cut -d " " -f2\``
insertions=`add_changes \`grep -e "file changed" -e "files changed" temp_changelog.txt | cut -d " " -f5\``
deletions=`add_changes \`grep -e "file changed" -e "files changed" temp_changelog.txt | cut -d " " -f7\``
echo "=====================================================================" > changelog.txt
echo "=====================================================================" >> changelog.txt
echo "$files_changed files changed, $insertions insertions(+), $deletions deletions(-)" >> changelog.txt
echo "=====================================================================" >> changelog.txt
echo "=====================================================================" >> changelog.txt
echo "" >> changelog.txt
cat temp_changelog.txt >> changelog.txt

trap - ERR
export TIMEFORMAT="TIME: Compilation: %lR"
if [ -f ./android-build-configs/linaro-build.sh ]; then
    time ./android-build-configs/linaro-build.sh -c "${BUILD_CONFIG_FILENAME}" -ss
else
    source build/envsetup.sh
    [ -n "$LUNCH" ] && lunch "$LUNCH"
    [ -z "$MAKE" ] && MAKE=make
    time $MAKE $MAKE_OPTS -j$MAKE_JOBS $MAKE_TARGETS
fi
unset TIMEFORMAT
trap infrastructure_error ERR

# Show remaining disk space to catch early if
# we're approaching ramdisk limit again
echo "Remaining disk space after build:"
df

# Store kernel .config as a build artifact
if [ -f kernel/.config ]; then
    cp kernel/.config out/kernel_config
elif [ -f "out/target/product/$TARGET_OUT_DIR/obj/kernel/.config" ]; then
    cp "out/target/product/$TARGET_OUT_DIR/obj/kernel/.config" out/kernel_config
fi
# Create md5sums file for platform artifacts
(cd out/target/product/${TARGET_OUT_DIR}/; md5sum *.tar.bz2 *.img *.img.bz2 >MD5SUMS) || true

if [ ! -n "$SKIP_LICENSE_CHECK" ]; then
    ${BUILD_SCRIPT_ROOT}/license-verification.sh out/pinned-manifest.xml  out/target/product/$TARGET_PRODUCT/BUILD-INFO.txt
fi

if [ -n "$PUBLISH_DESCRIPTIONS" ]; then
    ${BUILD_SCRIPT_ROOT}/../utils/manifest-descriptions/make.sh out/source-manifest.xml out/pinned-manifest.xml
fi

cp changelog.txt out/

flatten_artifacts